1657663

Information

• Patent Grant
• 1657663

• References
• Source

• Patent Number

  1,657,663

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1928
  96 years ago

• CPC

  • F16K7/02 - with tubular diaphragm
  • Y10S261/59 - Choke tube leaves flexible

• US Classifications

  • 138 - Pipes and tubular conduits
  • 239 - Fluid sprinkling, spraying, and diffusing
  • 251 - Valves and valve actuation
  • 261 - Gas and liquid contact apparatus
  • 451 - Abrading